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Nontronite from Pima Co., Arizona, USA

USA
 
  • Arizona
    • Pima Co.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 314; Gilluly, J. (1937), Geology and ore deposits of the Ajo quadrangle, AZ, AZ Bur. of Mines Bull. 141.
        • Little Ajo Mts
          • Ajo
Thomas, W.J. & R.B. Gibbs (1983), Famous mineral localities: The New Cornelia mine, Ajo, AZ, Min.Rec.: 14: 283-298.
Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 96.
      • Santa Rita Mts
        • Helvetia-Rosemont Mining District
          • Mount Fagan
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 314; Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, AZ, USGS Bull. 582: 138; Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 110.
      • Sierrita Mts
        • Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District)
          • Twin Buttes
Freeport-McMoRan
 
Mineral and/or Locality  
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